4 Pack - P16.90 Magnets Special Welding - (Blister Pack) 16kg Max. The GYS 044180 Magnetic Positioners are a Pack of 4 Magnets designed to hold pieces of metal securely in place for the purpose of welding. They have a maximum weight tolerance of 16kg and depending on which way they are attached can accommodate angles of 45, 90 and 135 degrees. Features:  4 strong magnets Capable of holding metal at 45, 90 and 135 degrees Like having another pair of hands Specification: 57 x 50 x 42mm